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Finding the Fourth Proportional to 407,488.95, 562,393.23 and 244,151.90

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Solution

The fourth proportional to 407,488.95, 562,393.23 and 244,151.90 is: 336,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,488.95 : 562,393.23 = 244,151.90 : x
  2. Step 2: Convert to fraction form
    407,488.95/562,393.23 = 244,151.90/x
  3. Step 3: Cross multiply
    407,488.95x = 562,393.23 × 244,151.90
  4. Step 4: Simplify right side
    407,488.95x = 137,309,377,196.54
  5. Step 5: Solve for x
    x = 137,309,377,196.54/407,488.95
  6. Step 6: Final answer
    x = 336,964.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.